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2756864745 = 325675691607
BaseRepresentation
bin1010010001010010…
…0110101011101001
321010010112020110200
42210110212223221
521121224132440
61133321102413
7125213651355
oct24424465351
97103466420
102756864745
1111951a6318
1264b327a09
1334c20661b
141c21d6465
15112068c30
hexa4526ae9

2756864745 has 48 divisors (see below), whose sum is σ = 4861434240. Its totient is φ = 1444937472.

The previous prime is 2756864711. The next prime is 2756864749. The reversal of 2756864745 is 5474686572.

It is a happy number.

2756864745 is a `hidden beast` number, since 2 + 7 + 568 + 6 + 4 + 74 + 5 = 666.

It is not a de Polignac number, because 2756864745 - 26 = 2756864681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2756864691 and 2756864700.

It is not an unprimeable number, because it can be changed into a prime (2756864749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1714732 + ... + 1716338.

It is an arithmetic number, because the mean of its divisors is an integer number (101279880).

Almost surely, 22756864745 is an apocalyptic number.

It is an amenable number.

2756864745 is a deficient number, since it is larger than the sum of its proper divisors (2104569495).

2756864745 is a wasteful number, since it uses less digits than its factorization.

2756864745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254 (or 2251 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The square root of 2756864745 is about 52505.8543878680. The cubic root of 2756864745 is about 1402.1844715186.

The spelling of 2756864745 in words is "two billion, seven hundred fifty-six million, eight hundred sixty-four thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 45 67 201 335 569 603 1005 1607 1707 2845 3015 4821 5121 8035 8535 14463 24105 25605 38123 72315 107669 114369 190615 323007 343107 538345 571845 914383 969021 1615035 1715535 2743149 4571915 4845105 8229447 13715745 41147235 61263661 183790983 306318305 551372949 918954915 2756864745